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X-CSE-ConnectionGUID: M6kELlIxSbS6tc1gRPr+Tg== X-CSE-MsgGUID: wmiXzccNROmjkbO6AhHY1w== X-IronPort-AV: E=McAfee;i="6700,10204,11407"; a="57658814" X-IronPort-AV: E=Sophos;i="6.15,224,1739865600"; d="scan'208";a="57658814" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2025 03:56:24 -0700 X-CSE-ConnectionGUID: ysggq4LfQv29mI6DU0Y2Xw== X-CSE-MsgGUID: kQgPqZWeSHKbMt/hKGdCuA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,224,1739865600"; d="scan'208";a="168517271" Received: from lkp-server01.sh.intel.com (HELO 61e10e65ea0f) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 19 Apr 2025 03:56:21 -0700 Received: from kbuild by 61e10e65ea0f with local (Exim 4.96) (envelope-from ) id 1u65ru-0003oD-0K; Sat, 19 Apr 2025 10:56:18 +0000 Date: Sat, 19 Apr 2025 18:56:11 +0800 From: kernel test robot To: Ruihan Li , Mike Rapoport , Andrew Morton Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, Ruihan Li Subject: Re: [PATCH] mm/mm_init: Don't iterate pages below ARCH_PFN_OFFSET Message-ID: <202504191858.5WVRkO7O-lkp@intel.com> References: <20250418162727.1535335-1-lrh2000@pku.edu.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250418162727.1535335-1-lrh2000@pku.edu.cn> X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 87D44C0007 X-Stat-Signature: xfbb85yrb9o1x17x1dyufwh8kzhff5mt X-HE-Tag: 1745060184-630251 X-HE-Meta: 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 SH8kwW4I JmtatpYE/pnisFKd82jMI2h05fe9O5iJxbsCb21Y92qgbGvc8/Cu6UFHFrQ81D5B3LnkKPnG/A5uD/5zSLSdFTtKQcgPjw1RUtizO144SWoXyfeq6wGT7nGAvqxmjBIkda+Xc/YkQ9D0IG3E6GrSMfH8MABfnwbIH4t2/MlOLkpq+pr6TQg3ZcBkyH2Y+jjLQiBPEPoGlUwuLiJ7MklPf5IBVO5zgPFIU6thiiBA79INvwSYMBnFeLQf+sbLaQkMl/X40FKG5mKtMm7pgKyc/z5LzgVQiqd81WOuZuvkdeopM6cbXMDg2k+z6lx6HhNT3MR7i0jzA8x6fqIiZPVngGLCiVNbfbG3ji43VSWfUow6UNNuoxSqzpNwoGg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Ruihan, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Ruihan-Li/mm-mm_init-Don-t-iterate-pages-below-ARCH_PFN_OFFSET/20250419-002910 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250418162727.1535335-1-lrh2000%40pku.edu.cn patch subject: [PATCH] mm/mm_init: Don't iterate pages below ARCH_PFN_OFFSET config: s390-randconfig-002-20250419 (https://download.01.org/0day-ci/archive/20250419/202504191858.5WVRkO7O-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250419/202504191858.5WVRkO7O-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202504191858.5WVRkO7O-lkp@intel.com/ All errors (new ones prefixed by >>): mm/mm_init.c: In function 'memmap_init': >> mm/mm_init.c:975:27: error: 'ARCH_PFN_OFFSET' undeclared (first use in this function); did you mean 'PREEMPT_OFFSET'? unsigned long hole_pfn = ARCH_PFN_OFFSET; ^~~~~~~~~~~~~~~ PREEMPT_OFFSET mm/mm_init.c:975:27: note: each undeclared identifier is reported only once for each function it appears in vim +975 mm/mm_init.c 971 972 static void __init memmap_init(void) 973 { 974 unsigned long start_pfn, end_pfn; > 975 unsigned long hole_pfn = ARCH_PFN_OFFSET; 976 int i, j, zone_id = 0, nid; 977 978 for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) { 979 struct pglist_data *node = NODE_DATA(nid); 980 981 for (j = 0; j < MAX_NR_ZONES; j++) { 982 struct zone *zone = node->node_zones + j; 983 984 if (!populated_zone(zone)) 985 continue; 986 987 memmap_init_zone_range(zone, start_pfn, end_pfn, 988 &hole_pfn); 989 zone_id = j; 990 } 991 } 992 993 /* 994 * Initialize the memory map for hole in the range [memory_end, 995 * section_end] for SPARSEMEM and in the range [memory_end, memmap_end] 996 * for FLATMEM. 997 * Append the pages in this hole to the highest zone in the last 998 * node. 999 */ 1000 #ifdef CONFIG_SPARSEMEM 1001 end_pfn = round_up(end_pfn, PAGES_PER_SECTION); 1002 #else 1003 end_pfn = round_up(end_pfn, MAX_ORDER_NR_PAGES); 1004 #endif 1005 if (hole_pfn < end_pfn) 1006 init_unavailable_range(hole_pfn, end_pfn, zone_id, nid); 1007 } 1008 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki